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A203054
Number of nX5 0..5 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor
1
636, 4078368, 15517802234, 50221974160730, 168179371998322692, 570286671940304710894, 1927846292259028240187308, 6511535556285256453569433756, 21999909860835890200424895723594
OFFSET
1,1
COMMENTS
Column 5 of A203057
LINKS
EXAMPLE
Some solutions for n=5
..4..2..5..1..2....0..0..3..0..1....2..5..4..4..0....3..2..0..2..0
..4..4..5..0..4....0..2..3..0..3....3..5..4..2..5....3..3..4..2..2
..4..1..3..5..4....4..1..0..4..3....4..4..4..0..5....3..4..5..3..2
..2..2..2..5..2....4..2..4..4..1....5..5..1..2..5....1..1..5..1..4
..1..4..4..1..0....2..3..3..4..1....4..3..5..5..5....1..3..4..4..4
CROSSREFS
Sequence in context: A253506 A202048 A251039 * A198774 A043483 A203042
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 28 2011
STATUS
approved